electric arm for desk lamp,OD: 2.0mm-22mm Length: 100mm-1000mm ... T/T, lead time: 3 days electric arm for desk lamp Xiongda Metal gooseneck offers a large select of ... crockneck tubing. We also manufacture gooseneck machine lights for a variety of applications include; gooseneck lights,support ... medical equipment, USB lamp, USB, bracket , hose for lamp accessorizes series,etc.7 OD2.0mm-22mm, length 50mm ...